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path: root/drivers/tty/serial/icom.c
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Diffstat (limited to 'drivers/tty/serial/icom.c')
-rw-r--r--drivers/tty/serial/icom.c538
1 files changed, 386 insertions, 152 deletions
diff --git a/drivers/tty/serial/icom.c b/drivers/tty/serial/icom.c
index 03a2fe9f4c9a..45df29947fe8 100644
--- a/drivers/tty/serial/icom.c
+++ b/drivers/tty/serial/icom.c
@@ -19,6 +19,7 @@
#include <linux/fs.h>
#include <linux/tty_flip.h>
#include <linux/serial.h>
+#include <linux/serial_core.h>
#include <linux/serial_reg.h>
#include <linux/major.h>
#include <linux/string.h>
@@ -41,15 +42,273 @@
#include <asm/irq.h>
#include <linux/uaccess.h>
-#include "icom.h"
-
/*#define ICOM_TRACE enable port trace capabilities */
#define ICOM_DRIVER_NAME "icom"
-#define ICOM_VERSION_STR "1.3.1"
#define NR_PORTS 128
-#define ICOM_PORT ((struct icom_port *)port)
-#define to_icom_adapter(d) container_of(d, struct icom_adapter, kref)
+
+static const unsigned int icom_acfg_baud[] = {
+ 300,
+ 600,
+ 900,
+ 1200,
+ 1800,
+ 2400,
+ 3600,
+ 4800,
+ 7200,
+ 9600,
+ 14400,
+ 19200,
+ 28800,
+ 38400,
+ 57600,
+ 76800,
+ 115200,
+ 153600,
+ 230400,
+ 307200,
+ 460800,
+};
+#define BAUD_TABLE_LIMIT (ARRAY_SIZE(icom_acfg_baud) - 1)
+
+struct icom_regs {
+ u32 control; /* Adapter Control Register */
+ u32 interrupt; /* Adapter Interrupt Register */
+ u32 int_mask; /* Adapter Interrupt Mask Reg */
+ u32 int_pri; /* Adapter Interrupt Priority r */
+ u32 int_reg_b; /* Adapter non-masked Interrupt */
+ u32 resvd01;
+ u32 resvd02;
+ u32 resvd03;
+ u32 control_2; /* Adapter Control Register 2 */
+ u32 interrupt_2; /* Adapter Interrupt Register 2 */
+ u32 int_mask_2; /* Adapter Interrupt Mask 2 */
+ u32 int_pri_2; /* Adapter Interrupt Prior 2 */
+ u32 int_reg_2b; /* Adapter non-masked 2 */
+};
+
+struct func_dram {
+ u32 reserved[108]; /* 0-1B0 reserved by personality code */
+ u32 RcvStatusAddr; /* 1B0-1B3 Status Address for Next rcv */
+ u8 RcvStnAddr; /* 1B4 Receive Station Addr */
+ u8 IdleState; /* 1B5 Idle State */
+ u8 IdleMonitor; /* 1B6 Idle Monitor */
+ u8 FlagFillIdleTimer; /* 1B7 Flag Fill Idle Timer */
+ u32 XmitStatusAddr; /* 1B8-1BB Transmit Status Address */
+ u8 StartXmitCmd; /* 1BC Start Xmit Command */
+ u8 HDLCConfigReg; /* 1BD Reserved */
+ u8 CauseCode; /* 1BE Cause code for fatal error */
+ u8 xchar; /* 1BF High priority send */
+ u32 reserved3; /* 1C0-1C3 Reserved */
+ u8 PrevCmdReg; /* 1C4 Reserved */
+ u8 CmdReg; /* 1C5 Command Register */
+ u8 async_config2; /* 1C6 Async Config Byte 2 */
+ u8 async_config3; /* 1C7 Async Config Byte 3 */
+ u8 dce_resvd[20]; /* 1C8-1DB DCE Rsvd */
+ u8 dce_resvd21; /* 1DC DCE Rsvd (21st byte */
+ u8 misc_flags; /* 1DD misc flags */
+#define V2_HARDWARE 0x40
+#define ICOM_HDW_ACTIVE 0x01
+ u8 call_length; /* 1DE Phone #/CFI buff ln */
+ u8 call_length2; /* 1DF Upper byte (unused) */
+ u32 call_addr; /* 1E0-1E3 Phn #/CFI buff addr */
+ u16 timer_value; /* 1E4-1E5 general timer value */
+ u8 timer_command; /* 1E6 general timer cmd */
+ u8 dce_command; /* 1E7 dce command reg */
+ u8 dce_cmd_status; /* 1E8 dce command stat */
+ u8 x21_r1_ioff; /* 1E9 dce ready counter */
+ u8 x21_r0_ioff; /* 1EA dce not ready ctr */
+ u8 x21_ralt_ioff; /* 1EB dce CNR counter */
+ u8 x21_r1_ion; /* 1EC dce ready I on ctr */
+ u8 rsvd_ier; /* 1ED Rsvd for IER (if ne */
+ u8 ier; /* 1EE Interrupt Enable */
+ u8 isr; /* 1EF Input Signal Reg */
+ u8 osr; /* 1F0 Output Signal Reg */
+ u8 reset; /* 1F1 Reset/Reload Reg */
+ u8 disable; /* 1F2 Disable Reg */
+ u8 sync; /* 1F3 Sync Reg */
+ u8 error_stat; /* 1F4 Error Status */
+ u8 cable_id; /* 1F5 Cable ID */
+ u8 cs_length; /* 1F6 CS Load Length */
+ u8 mac_length; /* 1F7 Mac Load Length */
+ u32 cs_load_addr; /* 1F8-1FB Call Load PCI Addr */
+ u32 mac_load_addr; /* 1FC-1FF Mac Load PCI Addr */
+};
+
+/*
+ * adapter defines and structures
+ */
+#define ICOM_CONTROL_START_A 0x00000008
+#define ICOM_CONTROL_STOP_A 0x00000004
+#define ICOM_CONTROL_START_B 0x00000002
+#define ICOM_CONTROL_STOP_B 0x00000001
+#define ICOM_CONTROL_START_C 0x00000008
+#define ICOM_CONTROL_STOP_C 0x00000004
+#define ICOM_CONTROL_START_D 0x00000002
+#define ICOM_CONTROL_STOP_D 0x00000001
+#define ICOM_IRAM_OFFSET 0x1000
+#define ICOM_IRAM_SIZE 0x0C00
+#define ICOM_DCE_IRAM_OFFSET 0x0A00
+#define ICOM_CABLE_ID_VALID 0x01
+#define ICOM_CABLE_ID_MASK 0xF0
+#define ICOM_DISABLE 0x80
+#define CMD_XMIT_RCV_ENABLE 0xC0
+#define CMD_XMIT_ENABLE 0x40
+#define CMD_RCV_DISABLE 0x00
+#define CMD_RCV_ENABLE 0x80
+#define CMD_RESTART 0x01
+#define CMD_HOLD_XMIT 0x02
+#define CMD_SND_BREAK 0x04
+#define RS232_CABLE 0x06
+#define V24_CABLE 0x0E
+#define V35_CABLE 0x0C
+#define V36_CABLE 0x02
+#define NO_CABLE 0x00
+#define START_DOWNLOAD 0x80
+#define ICOM_INT_MASK_PRC_A 0x00003FFF
+#define ICOM_INT_MASK_PRC_B 0x3FFF0000
+#define ICOM_INT_MASK_PRC_C 0x00003FFF
+#define ICOM_INT_MASK_PRC_D 0x3FFF0000
+#define INT_RCV_COMPLETED 0x1000
+#define INT_XMIT_COMPLETED 0x2000
+#define INT_IDLE_DETECT 0x0800
+#define INT_RCV_DISABLED 0x0400
+#define INT_XMIT_DISABLED 0x0200
+#define INT_RCV_XMIT_SHUTDOWN 0x0100
+#define INT_FATAL_ERROR 0x0080
+#define INT_CABLE_PULL 0x0020
+#define INT_SIGNAL_CHANGE 0x0010
+#define HDLC_PPP_PURE_ASYNC 0x02
+#define HDLC_FF_FILL 0x00
+#define HDLC_HDW_FLOW 0x01
+#define START_XMIT 0x80
+#define ICOM_ACFG_DRIVE1 0x20
+#define ICOM_ACFG_NO_PARITY 0x00
+#define ICOM_ACFG_PARITY_ENAB 0x02
+#define ICOM_ACFG_PARITY_ODD 0x01
+#define ICOM_ACFG_8BPC 0x00
+#define ICOM_ACFG_7BPC 0x04
+#define ICOM_ACFG_6BPC 0x08
+#define ICOM_ACFG_5BPC 0x0C
+#define ICOM_ACFG_1STOP_BIT 0x00
+#define ICOM_ACFG_2STOP_BIT 0x10
+#define ICOM_DTR 0x80
+#define ICOM_RTS 0x40
+#define ICOM_RI 0x08
+#define ICOM_DSR 0x80
+#define ICOM_DCD 0x20
+#define ICOM_CTS 0x40
+
+#define NUM_XBUFFS 1
+#define NUM_RBUFFS 2
+#define RCV_BUFF_SZ 0x0200
+#define XMIT_BUFF_SZ 0x1000
+struct statusArea {
+ /**********************************************/
+ /* Transmit Status Area */
+ /**********************************************/
+ struct xmit_status_area{
+ __le32 leNext; /* Next entry in Little Endian on Adapter */
+ __le32 leNextASD;
+ __le32 leBuffer; /* Buffer for entry in LE for Adapter */
+ __le16 leLengthASD;
+ __le16 leOffsetASD;
+ __le16 leLength; /* Length of data in segment */
+ __le16 flags;
+#define SA_FLAGS_DONE 0x0080 /* Done with Segment */
+#define SA_FLAGS_CONTINUED 0x8000 /* More Segments */
+#define SA_FLAGS_IDLE 0x4000 /* Mark IDLE after frm */
+#define SA_FLAGS_READY_TO_XMIT 0x0800
+#define SA_FLAGS_STAT_MASK 0x007F
+ } xmit[NUM_XBUFFS];
+
+ /**********************************************/
+ /* Receive Status Area */
+ /**********************************************/
+ struct {
+ __le32 leNext; /* Next entry in Little Endian on Adapter */
+ __le32 leNextASD;
+ __le32 leBuffer; /* Buffer for entry in LE for Adapter */
+ __le16 WorkingLength; /* size of segment */
+ __le16 reserv01;
+ __le16 leLength; /* Length of data in segment */
+ __le16 flags;
+#define SA_FL_RCV_DONE 0x0010 /* Data ready */
+#define SA_FLAGS_OVERRUN 0x0040
+#define SA_FLAGS_PARITY_ERROR 0x0080
+#define SA_FLAGS_FRAME_ERROR 0x0001
+#define SA_FLAGS_FRAME_TRUNC 0x0002
+#define SA_FLAGS_BREAK_DET 0x0004 /* set conditionally by device driver, not hardware */
+#define SA_FLAGS_RCV_MASK 0xFFE6
+ } rcv[NUM_RBUFFS];
+};
+
+struct icom_adapter;
+
+
+#define ICOM_MAJOR 243
+#define ICOM_MINOR_START 0
+
+struct icom_port {
+ struct uart_port uart_port;
+ unsigned char cable_id;
+ unsigned char read_status_mask;
+ unsigned char ignore_status_mask;
+ void __iomem * int_reg;
+ struct icom_regs __iomem *global_reg;
+ struct func_dram __iomem *dram;
+ int port;
+ struct statusArea *statStg;
+ dma_addr_t statStg_pci;
+ __le32 *xmitRestart;
+ dma_addr_t xmitRestart_pci;
+ unsigned char *xmit_buf;
+ dma_addr_t xmit_buf_pci;
+ unsigned char *recv_buf;
+ dma_addr_t recv_buf_pci;
+ int next_rcv;
+ int status;
+#define ICOM_PORT_ACTIVE 1 /* Port exists. */
+#define ICOM_PORT_OFF 0 /* Port does not exist. */
+ struct icom_adapter *adapter;
+};
+
+struct icom_adapter {
+ void __iomem * base_addr;
+ unsigned long base_addr_pci;
+ struct pci_dev *pci_dev;
+ struct icom_port port_info[4];
+ int index;
+ int version;
+#define ADAPTER_V1 0x0001
+#define ADAPTER_V2 0x0002
+ u32 subsystem_id;
+#define FOUR_PORT_MODEL 0x0252
+#define V2_TWO_PORTS_RVX 0x021A
+#define V2_ONE_PORT_RVX_ONE_PORT_IMBED_MDM 0x0251
+ int numb_ports;
+ struct list_head icom_adapter_entry;
+ struct kref kref;
+};
+
+/* prototype */
+extern void iCom_sercons_init(void);
+
+struct lookup_proc_table {
+ u32 __iomem *global_control_reg;
+ unsigned long processor_id;
+};
+
+struct lookup_int_table {
+ u32 __iomem *global_int_mask;
+ unsigned long processor_id;
+};
+
+static inline struct icom_port *to_icom_port(struct uart_port *port)
+{
+ return container_of(port, struct icom_port, uart_port);
+}
static const struct pci_device_id icom_pci_table[] = {
{
@@ -222,7 +481,7 @@ static int get_port_memory(struct icom_port *icom_port)
if (index < (NUM_XBUFFS - 1)) {
memset(&icom_port->statStg->xmit[index], 0, sizeof(struct xmit_status_area));
icom_port->statStg->xmit[index].leLengthASD =
- (unsigned short int) cpu_to_le16(XMIT_BUFF_SZ);
+ cpu_to_le16(XMIT_BUFF_SZ);
trace(icom_port, "FOD_ADDR", stgAddr);
trace(icom_port, "FOD_XBUFF",
(unsigned long) icom_port->xmit_buf);
@@ -231,7 +490,7 @@ static int get_port_memory(struct icom_port *icom_port)
} else if (index == (NUM_XBUFFS - 1)) {
memset(&icom_port->statStg->xmit[index], 0, sizeof(struct xmit_status_area));
icom_port->statStg->xmit[index].leLengthASD =
- (unsigned short int) cpu_to_le16(XMIT_BUFF_SZ);
+ cpu_to_le16(XMIT_BUFF_SZ);
trace(icom_port, "FOD_XBUFF",
(unsigned long) icom_port->xmit_buf);
icom_port->statStg->xmit[index].leBuffer =
@@ -249,7 +508,7 @@ static int get_port_memory(struct icom_port *icom_port)
stgAddr = stgAddr + sizeof(icom_port->statStg->rcv[0]);
icom_port->statStg->rcv[index].leLength = 0;
icom_port->statStg->rcv[index].WorkingLength =
- (unsigned short int) cpu_to_le16(RCV_BUFF_SZ);
+ cpu_to_le16(RCV_BUFF_SZ);
if (index < (NUM_RBUFFS - 1) ) {
offset = stgAddr - (unsigned long) icom_port->statStg;
icom_port->statStg->rcv[index].leNext =
@@ -617,16 +876,17 @@ unlock:
static int icom_write(struct uart_port *port)
{
+ struct icom_port *icom_port = to_icom_port(port);
unsigned long data_count;
unsigned char cmdReg;
unsigned long offset;
int temp_tail = port->state->xmit.tail;
- trace(ICOM_PORT, "WRITE", 0);
+ trace(icom_port, "WRITE", 0);
- if (cpu_to_le16(ICOM_PORT->statStg->xmit[0].flags) &
+ if (le16_to_cpu(icom_port->statStg->xmit[0].flags) &
SA_FLAGS_READY_TO_XMIT) {
- trace(ICOM_PORT, "WRITE_FULL", 0);
+ trace(icom_port, "WRITE_FULL", 0);
return 0;
}
@@ -634,7 +894,7 @@ static int icom_write(struct uart_port *port)
while ((port->state->xmit.head != temp_tail) &&
(data_count <= XMIT_BUFF_SZ)) {
- ICOM_PORT->xmit_buf[data_count++] =
+ icom_port->xmit_buf[data_count++] =
port->state->xmit.buf[temp_tail];
temp_tail++;
@@ -642,22 +902,22 @@ static int icom_write(struct uart_port *port)
}
if (data_count) {
- ICOM_PORT->statStg->xmit[0].flags =
+ icom_port->statStg->xmit[0].flags =
cpu_to_le16(SA_FLAGS_READY_TO_XMIT);
- ICOM_PORT->statStg->xmit[0].leLength =
+ icom_port->statStg->xmit[0].leLength =
cpu_to_le16(data_count);
offset =
- (unsigned long) &ICOM_PORT->statStg->xmit[0] -
- (unsigned long) ICOM_PORT->statStg;
- *ICOM_PORT->xmitRestart =
- cpu_to_le32(ICOM_PORT->statStg_pci + offset);
- cmdReg = readb(&ICOM_PORT->dram->CmdReg);
+ (unsigned long) &icom_port->statStg->xmit[0] -
+ (unsigned long) icom_port->statStg;
+ *icom_port->xmitRestart =
+ cpu_to_le32(icom_port->statStg_pci + offset);
+ cmdReg = readb(&icom_port->dram->CmdReg);
writeb(cmdReg | CMD_XMIT_RCV_ENABLE,
- &ICOM_PORT->dram->CmdReg);
- writeb(START_XMIT, &ICOM_PORT->dram->StartXmitCmd);
- trace(ICOM_PORT, "WRITE_START", data_count);
+ &icom_port->dram->CmdReg);
+ writeb(START_XMIT, &icom_port->dram->StartXmitCmd);
+ trace(icom_port, "WRITE_START", data_count);
/* write flush */
- readb(&ICOM_PORT->dram->StartXmitCmd);
+ readb(&icom_port->dram->StartXmitCmd);
}
return data_count;
@@ -696,8 +956,7 @@ static inline void check_modem_status(struct icom_port *icom_port)
static void xmit_interrupt(u16 port_int_reg, struct icom_port *icom_port)
{
- unsigned short int count;
- int i;
+ u16 count, i;
if (port_int_reg & (INT_XMIT_COMPLETED)) {
trace(icom_port, "XMIT_COMPLETE", 0);
@@ -706,8 +965,7 @@ static void xmit_interrupt(u16 port_int_reg, struct icom_port *icom_port)
icom_port->statStg->xmit[0].flags &=
cpu_to_le16(~SA_FLAGS_READY_TO_XMIT);
- count = (unsigned short int)
- cpu_to_le16(icom_port->statStg->xmit[0].leLength);
+ count = le16_to_cpu(icom_port->statStg->xmit[0].leLength);
icom_port->uart_port.icount.tx += count;
for (i=0; i<count &&
@@ -729,7 +987,7 @@ static void recv_interrupt(u16 port_int_reg, struct icom_port *icom_port)
{
short int count, rcv_buff;
struct tty_port *port = &icom_port->uart_port.state->port;
- unsigned short int status;
+ u16 status;
struct uart_icount *icount;
unsigned long offset;
unsigned char flag;
@@ -737,19 +995,18 @@ static void recv_interrupt(u16 port_int_reg, struct icom_port *icom_port)
trace(icom_port, "RCV_COMPLETE", 0);
rcv_buff = icom_port->next_rcv;
- status = cpu_to_le16(icom_port->statStg->rcv[rcv_buff].flags);
+ status = le16_to_cpu(icom_port->statStg->rcv[rcv_buff].flags);
while (status & SA_FL_RCV_DONE) {
int first = -1;
trace(icom_port, "FID_STATUS", status);
- count = cpu_to_le16(icom_port->statStg->rcv[rcv_buff].leLength);
+ count = le16_to_cpu(icom_port->statStg->rcv[rcv_buff].leLength);
trace(icom_port, "RCV_COUNT", count);
trace(icom_port, "REAL_COUNT", count);
- offset =
- cpu_to_le32(icom_port->statStg->rcv[rcv_buff].leBuffer) -
+ offset = le32_to_cpu(icom_port->statStg->rcv[rcv_buff].leBuffer) -
icom_port->recv_buf_pci;
/* Block copy all but the last byte as this may have status */
@@ -819,13 +1076,13 @@ ignore_char:
icom_port->statStg->rcv[rcv_buff].flags = 0;
icom_port->statStg->rcv[rcv_buff].leLength = 0;
icom_port->statStg->rcv[rcv_buff].WorkingLength =
- (unsigned short int) cpu_to_le16(RCV_BUFF_SZ);
+ cpu_to_le16(RCV_BUFF_SZ);
rcv_buff++;
if (rcv_buff == NUM_RBUFFS)
rcv_buff = 0;
- status = cpu_to_le16(icom_port->statStg->rcv[rcv_buff].flags);
+ status = le16_to_cpu(icom_port->statStg->rcv[rcv_buff].flags);
}
icom_port->next_rcv = rcv_buff;
@@ -925,11 +1182,12 @@ static irqreturn_t icom_interrupt(int irq, void *dev_id)
*/
static unsigned int icom_tx_empty(struct uart_port *port)
{
+ struct icom_port *icom_port = to_icom_port(port);
int ret;
unsigned long flags;
spin_lock_irqsave(&port->lock, flags);
- if (cpu_to_le16(ICOM_PORT->statStg->xmit[0].flags) &
+ if (le16_to_cpu(icom_port->statStg->xmit[0].flags) &
SA_FLAGS_READY_TO_XMIT)
ret = TIOCSER_TEMT;
else
@@ -941,38 +1199,40 @@ static unsigned int icom_tx_empty(struct uart_port *port)
static void icom_set_mctrl(struct uart_port *port, unsigned int mctrl)
{
+ struct icom_port *icom_port = to_icom_port(port);
unsigned char local_osr;
- trace(ICOM_PORT, "SET_MODEM", 0);
- local_osr = readb(&ICOM_PORT->dram->osr);
+ trace(icom_port, "SET_MODEM", 0);
+ local_osr = readb(&icom_port->dram->osr);
if (mctrl & TIOCM_RTS) {
- trace(ICOM_PORT, "RAISE_RTS", 0);
+ trace(icom_port, "RAISE_RTS", 0);
local_osr |= ICOM_RTS;
} else {
- trace(ICOM_PORT, "LOWER_RTS", 0);
+ trace(icom_port, "LOWER_RTS", 0);
local_osr &= ~ICOM_RTS;
}
if (mctrl & TIOCM_DTR) {
- trace(ICOM_PORT, "RAISE_DTR", 0);
+ trace(icom_port, "RAISE_DTR", 0);
local_osr |= ICOM_DTR;
} else {
- trace(ICOM_PORT, "LOWER_DTR", 0);
+ trace(icom_port, "LOWER_DTR", 0);
local_osr &= ~ICOM_DTR;
}
- writeb(local_osr, &ICOM_PORT->dram->osr);
+ writeb(local_osr, &icom_port->dram->osr);
}
static unsigned int icom_get_mctrl(struct uart_port *port)
{
+ struct icom_port *icom_port = to_icom_port(port);
unsigned char status;
unsigned int result;
- trace(ICOM_PORT, "GET_MODEM", 0);
+ trace(icom_port, "GET_MODEM", 0);
- status = readb(&ICOM_PORT->dram->isr);
+ status = readb(&icom_port->dram->isr);
result = ((status & ICOM_DCD) ? TIOCM_CAR : 0)
| ((status & ICOM_RI) ? TIOCM_RNG : 0)
@@ -983,44 +1243,47 @@ static unsigned int icom_get_mctrl(struct uart_port *port)
static void icom_stop_tx(struct uart_port *port)
{
+ struct icom_port *icom_port = to_icom_port(port);
unsigned char cmdReg;
- trace(ICOM_PORT, "STOP", 0);
- cmdReg = readb(&ICOM_PORT->dram->CmdReg);
- writeb(cmdReg | CMD_HOLD_XMIT, &ICOM_PORT->dram->CmdReg);
+ trace(icom_port, "STOP", 0);
+ cmdReg = readb(&icom_port->dram->CmdReg);
+ writeb(cmdReg | CMD_HOLD_XMIT, &icom_port->dram->CmdReg);
}
static void icom_start_tx(struct uart_port *port)
{
+ struct icom_port *icom_port = to_icom_port(port);
unsigned char cmdReg;
- trace(ICOM_PORT, "START", 0);
- cmdReg = readb(&ICOM_PORT->dram->CmdReg);
+ trace(icom_port, "START", 0);
+ cmdReg = readb(&icom_port->dram->CmdReg);
if ((cmdReg & CMD_HOLD_XMIT) == CMD_HOLD_XMIT)
writeb(cmdReg & ~CMD_HOLD_XMIT,
- &ICOM_PORT->dram->CmdReg);
+ &icom_port->dram->CmdReg);
icom_write(port);
}
static void icom_send_xchar(struct uart_port *port, char ch)
{
+ struct icom_port *icom_port = to_icom_port(port);
unsigned char xdata;
int index;
unsigned long flags;
- trace(ICOM_PORT, "SEND_XCHAR", ch);
+ trace(icom_port, "SEND_XCHAR", ch);
/* wait .1 sec to send char */
for (index = 0; index < 10; index++) {
spin_lock_irqsave(&port->lock, flags);
- xdata = readb(&ICOM_PORT->dram->xchar);
+ xdata = readb(&icom_port->dram->xchar);
if (xdata == 0x00) {
- trace(ICOM_PORT, "QUICK_WRITE", 0);
- writeb(ch, &ICOM_PORT->dram->xchar);
+ trace(icom_port, "QUICK_WRITE", 0);
+ writeb(ch, &icom_port->dram->xchar);
/* flush write operation */
- xdata = readb(&ICOM_PORT->dram->xchar);
+ xdata = readb(&icom_port->dram->xchar);
spin_unlock_irqrestore(&port->lock, flags);
break;
}
@@ -1031,38 +1294,41 @@ static void icom_send_xchar(struct uart_port *port, char ch)
static void icom_stop_rx(struct uart_port *port)
{
+ struct icom_port *icom_port = to_icom_port(port);
unsigned char cmdReg;
- cmdReg = readb(&ICOM_PORT->dram->CmdReg);
- writeb(cmdReg & ~CMD_RCV_ENABLE, &ICOM_PORT->dram->CmdReg);
+ cmdReg = readb(&icom_port->dram->CmdReg);
+ writeb(cmdReg & ~CMD_RCV_ENABLE, &icom_port->dram->CmdReg);
}
static void icom_break(struct uart_port *port, int break_state)
{
+ struct icom_port *icom_port = to_icom_port(port);
unsigned char cmdReg;
unsigned long flags;
spin_lock_irqsave(&port->lock, flags);
- trace(ICOM_PORT, "BREAK", 0);
- cmdReg = readb(&ICOM_PORT->dram->CmdReg);
+ trace(icom_port, "BREAK", 0);
+ cmdReg = readb(&icom_port->dram->CmdReg);
if (break_state == -1) {
- writeb(cmdReg | CMD_SND_BREAK, &ICOM_PORT->dram->CmdReg);
+ writeb(cmdReg | CMD_SND_BREAK, &icom_port->dram->CmdReg);
} else {
- writeb(cmdReg & ~CMD_SND_BREAK, &ICOM_PORT->dram->CmdReg);
+ writeb(cmdReg & ~CMD_SND_BREAK, &icom_port->dram->CmdReg);
}
spin_unlock_irqrestore(&port->lock, flags);
}
static int icom_open(struct uart_port *port)
{
+ struct icom_port *icom_port = to_icom_port(port);
int retval;
- kref_get(&ICOM_PORT->adapter->kref);
- retval = startup(ICOM_PORT);
+ kref_get(&icom_port->adapter->kref);
+ retval = startup(icom_port);
if (retval) {
- kref_put(&ICOM_PORT->adapter->kref, icom_kref_release);
- trace(ICOM_PORT, "STARTUP_ERROR", 0);
+ kref_put(&icom_port->adapter->kref, icom_kref_release);
+ trace(icom_port, "STARTUP_ERROR", 0);
return retval;
}
@@ -1071,23 +1337,25 @@ static int icom_open(struct uart_port *port)
static void icom_close(struct uart_port *port)
{
+ struct icom_port *icom_port = to_icom_port(port);
unsigned char cmdReg;
- trace(ICOM_PORT, "CLOSE", 0);
+ trace(icom_port, "CLOSE", 0);
/* stop receiver */
- cmdReg = readb(&ICOM_PORT->dram->CmdReg);
- writeb(cmdReg & ~CMD_RCV_ENABLE, &ICOM_PORT->dram->CmdReg);
+ cmdReg = readb(&icom_port->dram->CmdReg);
+ writeb(cmdReg & ~CMD_RCV_ENABLE, &icom_port->dram->CmdReg);
- shutdown(ICOM_PORT);
+ shutdown(icom_port);
- kref_put(&ICOM_PORT->adapter->kref, icom_kref_release);
+ kref_put(&icom_port->adapter->kref, icom_kref_release);
}
static void icom_set_termios(struct uart_port *port,
struct ktermios *termios,
struct ktermios *old_termios)
{
+ struct icom_port *icom_port = to_icom_port(port);
int baud;
unsigned cflag, iflag;
char new_config2;
@@ -1099,7 +1367,7 @@ static void icom_set_termios(struct uart_port *port,
unsigned long flags;
spin_lock_irqsave(&port->lock, flags);
- trace(ICOM_PORT, "CHANGE_SPEED", 0);
+ trace(icom_port, "CHANGE_SPEED", 0);
cflag = termios->c_cflag;
iflag = termios->c_iflag;
@@ -1130,12 +1398,12 @@ static void icom_set_termios(struct uart_port *port,
if (cflag & PARENB) {
/* parity bit enabled */
new_config2 |= ICOM_ACFG_PARITY_ENAB;
- trace(ICOM_PORT, "PARENB", 0);
+ trace(icom_port, "PARENB", 0);
}
if (cflag & PARODD) {
/* odd parity */
new_config2 |= ICOM_ACFG_PARITY_ODD;
- trace(ICOM_PORT, "PARODD", 0);
+ trace(icom_port, "PARODD", 0);
}
/* Determine divisor based on baud rate */
@@ -1155,100 +1423,99 @@ static void icom_set_termios(struct uart_port *port,
uart_update_timeout(port, cflag, baud);
/* CTS flow control flag and modem status interrupts */
- tmp_byte = readb(&(ICOM_PORT->dram->HDLCConfigReg));
+ tmp_byte = readb(&(icom_port->dram->HDLCConfigReg));
if (cflag & CRTSCTS)
tmp_byte |= HDLC_HDW_FLOW;
else
tmp_byte &= ~HDLC_HDW_FLOW;
- writeb(tmp_byte, &(ICOM_PORT->dram->HDLCConfigReg));
+ writeb(tmp_byte, &(icom_port->dram->HDLCConfigReg));
/*
* Set up parity check flag
*/
- ICOM_PORT->read_status_mask = SA_FLAGS_OVERRUN | SA_FL_RCV_DONE;
+ icom_port->read_status_mask = SA_FLAGS_OVERRUN | SA_FL_RCV_DONE;
if (iflag & INPCK)
- ICOM_PORT->read_status_mask |=
+ icom_port->read_status_mask |=
SA_FLAGS_FRAME_ERROR | SA_FLAGS_PARITY_ERROR;
if ((iflag & BRKINT) || (iflag & PARMRK))
- ICOM_PORT->read_status_mask |= SA_FLAGS_BREAK_DET;
+ icom_port->read_status_mask |= SA_FLAGS_BREAK_DET;
/*
* Characters to ignore
*/
- ICOM_PORT->ignore_status_mask = 0;
+ icom_port->ignore_status_mask = 0;
if (iflag & IGNPAR)
- ICOM_PORT->ignore_status_mask |=
+ icom_port->ignore_status_mask |=
SA_FLAGS_PARITY_ERROR | SA_FLAGS_FRAME_ERROR;
if (iflag & IGNBRK) {
- ICOM_PORT->ignore_status_mask |= SA_FLAGS_BREAK_DET;
+ icom_port->ignore_status_mask |= SA_FLAGS_BREAK_DET;
/*
* If we're ignore parity and break indicators, ignore
* overruns too. (For real raw support).
*/
if (iflag & IGNPAR)
- ICOM_PORT->ignore_status_mask |= SA_FLAGS_OVERRUN;
+ icom_port->ignore_status_mask |= SA_FLAGS_OVERRUN;
}
/*
* !!! ignore all characters if CREAD is not set
*/
if ((cflag & CREAD) == 0)
- ICOM_PORT->ignore_status_mask |= SA_FL_RCV_DONE;
+ icom_port->ignore_status_mask |= SA_FL_RCV_DONE;
/* Turn off Receiver to prepare for reset */
- writeb(CMD_RCV_DISABLE, &ICOM_PORT->dram->CmdReg);
+ writeb(CMD_RCV_DISABLE, &icom_port->dram->CmdReg);
for (index = 0; index < 10; index++) {
- if (readb(&ICOM_PORT->dram->PrevCmdReg) == 0x00) {
+ if (readb(&icom_port->dram->PrevCmdReg) == 0x00) {
break;
}
}
/* clear all current buffers of data */
for (rcv_buff = 0; rcv_buff < NUM_RBUFFS; rcv_buff++) {
- ICOM_PORT->statStg->rcv[rcv_buff].flags = 0;
- ICOM_PORT->statStg->rcv[rcv_buff].leLength = 0;
- ICOM_PORT->statStg->rcv[rcv_buff].WorkingLength =
- (unsigned short int) cpu_to_le16(RCV_BUFF_SZ);
+ icom_port->statStg->rcv[rcv_buff].flags = 0;
+ icom_port->statStg->rcv[rcv_buff].leLength = 0;
+ icom_port->statStg->rcv[rcv_buff].WorkingLength =
+ cpu_to_le16(RCV_BUFF_SZ);
}
for (xmit_buff = 0; xmit_buff < NUM_XBUFFS; xmit_buff++) {
- ICOM_PORT->statStg->xmit[xmit_buff].flags = 0;
+ icom_port->statStg->xmit[xmit_buff].flags = 0;
}
/* activate changes and start xmit and receiver here */
/* Enable the receiver */
- writeb(new_config3, &(ICOM_PORT->dram->async_config3));
- writeb(new_config2, &(ICOM_PORT->dram->async_config2));
- tmp_byte = readb(&(ICOM_PORT->dram->HDLCConfigReg));
+ writeb(new_config3, &(icom_port->dram->async_config3));
+ writeb(new_config2, &(icom_port->dram->async_config2));
+ tmp_byte = readb(&(icom_port->dram->HDLCConfigReg));
tmp_byte |= HDLC_PPP_PURE_ASYNC | HDLC_FF_FILL;
- writeb(tmp_byte, &(ICOM_PORT->dram->HDLCConfigReg));
- writeb(0x04, &(ICOM_PORT->dram->FlagFillIdleTimer)); /* 0.5 seconds */
- writeb(0xFF, &(ICOM_PORT->dram->ier)); /* enable modem signal interrupts */
+ writeb(tmp_byte, &(icom_port->dram->HDLCConfigReg));
+ writeb(0x04, &(icom_port->dram->FlagFillIdleTimer)); /* 0.5 seconds */
+ writeb(0xFF, &(icom_port->dram->ier)); /* enable modem signal interrupts */
/* reset processor */
- writeb(CMD_RESTART, &ICOM_PORT->dram->CmdReg);
+ writeb(CMD_RESTART, &icom_port->dram->CmdReg);
for (index = 0; index < 10; index++) {
- if (readb(&ICOM_PORT->dram->CmdReg) == 0x00) {
+ if (readb(&icom_port->dram->CmdReg) == 0x00) {
break;
}
}
/* Enable Transmitter and Receiver */
offset =
- (unsigned long) &ICOM_PORT->statStg->rcv[0] -
- (unsigned long) ICOM_PORT->statStg;
- writel(ICOM_PORT->statStg_pci + offset,
- &ICOM_PORT->dram->RcvStatusAddr);
- ICOM_PORT->next_rcv = 0;
- ICOM_PORT->put_length = 0;
- *ICOM_PORT->xmitRestart = 0;
- writel(ICOM_PORT->xmitRestart_pci,
- &ICOM_PORT->dram->XmitStatusAddr);
- trace(ICOM_PORT, "XR_ENAB", 0);
- writeb(CMD_XMIT_RCV_ENABLE, &ICOM_PORT->dram->CmdReg);
+ (unsigned long) &icom_port->statStg->rcv[0] -
+ (unsigned long) icom_port->statStg;
+ writel(icom_port->statStg_pci + offset,
+ &icom_port->dram->RcvStatusAddr);
+ icom_port->next_rcv = 0;
+ *icom_port->xmitRestart = 0;
+ writel(icom_port->xmitRestart_pci,
+ &icom_port->dram->XmitStatusAddr);
+ trace(icom_port, "XR_ENAB", 0);
+ writeb(CMD_XMIT_RCV_ENABLE, &icom_port->dram->CmdReg);
spin_unlock_irqrestore(&port->lock, flags);
}
@@ -1258,15 +1525,6 @@ static const char *icom_type(struct uart_port *port)
return "icom";
}
-static void icom_release_port(struct uart_port *port)
-{
-}
-
-static int icom_request_port(struct uart_port *port)
-{
- return 0;
-}
-
static void icom_config_port(struct uart_port *port, int flags)
{
port->type = PORT_ICOM;
@@ -1285,8 +1543,6 @@ static const struct uart_ops icom_ops = {
.shutdown = icom_close,
.set_termios = icom_set_termios,
.type = icom_type,
- .release_port = icom_release_port,
- .request_port = icom_request_port,
.config_port = icom_config_port,
};
@@ -1315,7 +1571,6 @@ static int icom_init_ports(struct icom_adapter *icom_adapter)
icom_port = &icom_adapter->port_info[i];
icom_port->port = i;
icom_port->status = ICOM_PORT_ACTIVE;
- icom_port->imbed_modem = ICOM_UNKNOWN;
}
} else {
if (subsystem_id == PCI_DEVICE_ID_IBM_ICOM_FOUR_PORT_MODEL) {
@@ -1326,26 +1581,15 @@ static int icom_init_ports(struct icom_adapter *icom_adapter)
icom_port->port = i;
icom_port->status = ICOM_PORT_ACTIVE;
- icom_port->imbed_modem = ICOM_IMBED_MODEM;
}
} else {
icom_adapter->numb_ports = 4;
icom_adapter->port_info[0].port = 0;
icom_adapter->port_info[0].status = ICOM_PORT_ACTIVE;
-
- if (subsystem_id ==
- PCI_DEVICE_ID_IBM_ICOM_V2_ONE_PORT_RVX_ONE_PORT_MDM) {
- icom_adapter->port_info[0].imbed_modem = ICOM_IMBED_MODEM;
- } else {
- icom_adapter->port_info[0].imbed_modem = ICOM_RVX;
- }
-
icom_adapter->port_info[1].status = ICOM_PORT_OFF;
-
icom_adapter->port_info[2].port = 2;
icom_adapter->port_info[2].status = ICOM_PORT_ACTIVE;
- icom_adapter->port_info[2].imbed_modem = ICOM_RVX;
icom_adapter->port_info[3].status = ICOM_PORT_OFF;
}
}
@@ -1401,7 +1645,6 @@ static int icom_alloc_adapter(struct icom_adapter
int adapter_count = 0;
struct icom_adapter *icom_adapter;
struct icom_adapter *cur_adapter_entry;
- struct list_head *tmp;
icom_adapter = kzalloc(sizeof(struct icom_adapter), GFP_KERNEL);
@@ -1409,10 +1652,8 @@ static int icom_alloc_adapter(struct icom_adapter
return -ENOMEM;
}
- list_for_each(tmp, &icom_adapter_head) {
- cur_adapter_entry =
- list_entry(tmp, struct icom_adapter,
- icom_adapter_entry);
+ list_for_each_entry(cur_adapter_entry, &icom_adapter_head,
+ icom_adapter_entry) {
if (cur_adapter_entry->index != adapter_count) {
break;
}
@@ -1420,7 +1661,8 @@ static int icom_alloc_adapter(struct icom_adapter
}
icom_adapter->index = adapter_count;
- list_add_tail(&icom_adapter->icom_adapter_entry, tmp);
+ list_add_tail(&icom_adapter->icom_adapter_entry,
+ &cur_adapter_entry->icom_adapter_entry);
*icom_adapter_ref = icom_adapter;
return 0;
@@ -1432,8 +1674,10 @@ static void icom_free_adapter(struct icom_adapter *icom_adapter)
kfree(icom_adapter);
}
-static void icom_remove_adapter(struct icom_adapter *icom_adapter)
+static void icom_kref_release(struct kref *kref)
{
+ struct icom_adapter *icom_adapter = container_of(kref,
+ struct icom_adapter, kref);
struct icom_port *icom_port;
int index;
@@ -1466,14 +1710,6 @@ static void icom_remove_adapter(struct icom_adapter *icom_adapter)
icom_free_adapter(icom_adapter);
}
-static void icom_kref_release(struct kref *kref)
-{
- struct icom_adapter *icom_adapter;
-
- icom_adapter = to_icom_adapter(kref);
- icom_remove_adapter(icom_adapter);
-}
-
static int icom_probe(struct pci_dev *dev,
const struct pci_device_id *ent)
{
@@ -1501,7 +1737,7 @@ static int icom_probe(struct pci_dev *dev,
retval = pci_read_config_dword(dev, PCI_COMMAND, &command_reg);
if (retval) {
dev_err(&dev->dev, "PCI Config read FAILED\n");
- return retval;
+ goto probe_exit0;
}
pci_write_config_dword(dev, PCI_COMMAND,
@@ -1589,11 +1825,9 @@ probe_exit0:
static void icom_remove(struct pci_dev *dev)
{
struct icom_adapter *icom_adapter;
- struct list_head *tmp;
- list_for_each(tmp, &icom_adapter_head) {
- icom_adapter = list_entry(tmp, struct icom_adapter,
- icom_adapter_entry);
+ list_for_each_entry(icom_adapter, &icom_adapter_head,
+ icom_adapter_entry) {
if (icom_adapter->pci_dev == dev) {
kref_put(&icom_adapter->kref, icom_kref_release);
return;